Normal to Parametric Curve : C4 Edexcel January 2013 Q5(c) : ExamSolutions Maths Revision

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Although I do have a question, when do you get dy/dx I had it as 4 to the power t ln2 rather than your answer. I didn't understand the law you applied

tomritchie
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why is it -2(to the power t+1)? why not -4(to the power t+1)

JKE
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-8In2 can be be written as -In2^8, right ?

Toyahan
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what happened to the negative sign in front of the 2 before you made it 2 to the power of t+1?

reannaEncore
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I have no idea why im watchn this, im just done the AS course for maths (c1 and c2)

talhahnosyman
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Your videos are nothing like the exam questions

bucwildsfightclub